Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
 
Macrocyclic Compound as NMR Chiral Solvating Agent for Determination of Enantiomeric Excess of Carboxylic Acids
Xiao-feng YangRui NingLi-jun XieYu CuiYong-ling ZhangLu-yi Zheng
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2013 Volume 86 Issue 8 Pages 987-989

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Abstract

1H NMR studies demonstrated that chiral macrocycle 1 was a good chiral solvating agent, and was effective for the determination of the enantiomeric excess of a wide range of rac-carboxylic acids. Large nonequivalent chemical shifts (up to 0.125 ppm) can be achieved in the presence of 1.0 equiv of 1.

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© 2013 The Chemical Society of Japan
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